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MA 15+World's Most Evil Killers
Mary McLaughlin's unsolved murder was finally cracked after 36 years, exposing killer Graham McGill.
Mary McLaughlin's unsolved murder was finally cracked after 36 years, exposing killer Graham McGill.
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An in-depth look at some of the world's most dangerous murderers.
Original Air Date: Aug 10, 2017
Genres: DocuseriesTV Series
Rating: MA 15+
Playback: HD